<?php


define('S_ROOT', dirname(__FILE__));

// 加密过程
$filename = S_ROOT . '/common/services/AdServices.php';

function RandAbc($length = "") { // 返回随机字符串
    $str = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
    return str_shuffle($str);
}

function encode_file_contents($filename, $newfile) {
    $type=strtolower(substr(strrchr($filename,'.'),1));
    if ('php' == $type && is_file($filename) && is_writable($filename)) { // 如果是PHP文件 并且可写 则进行压缩编码
        $contents = file_get_contents($filename); // 判断文件是否已经被编码处理
//        if (strpos($contents, 'eval(gzinflate(base64_decode')) {
//            return false;
//        }
        $contents = php_strip_whitespace($filename);

        // 去除PHP头部和尾部标识
        $headerPos = strpos($contents,'<?php');
/*        $footerPos = strrpos($contents,'?>');*/
        $contents = substr($contents, $headerPos + 5);
        $encode = base64_encode(str_rot13(gzdeflate($contents))); // 开始编码
        $encode = "<?php\n/**\n * @author: adophper\n * @website: http://www.adophper.com\n * @Time: ".date('Y-05-01 H:i:s')."\n**/\neval(gzinflate(str_rot13(base64_decode("."'".$encode."'"."))));\n\n?>";

        return file_put_contents($newfile, $encode);
    }
    return false;
}

function baseEncode($filename, $newfile) {
    $T_k1 = RandAbc(); //随机密匙1
    $T_k2 = RandAbc(); //随机密匙2
    $contents = file_get_contents($filename);
    $v1 = base64_encode($contents);
    $c = strtr($v1, $T_k1, $T_k2); //根据密匙替换对应字符。
    $c = $T_k1.$T_k2.$c;
    $q1 = "O00O0O";
    $q2 = "O0O000";
    $q3 = "O0OO00";
    $q4 = "OO0O00";
    $q5 = "OO0000";
    $q6 = "O00OO0";
    $s = '$'.$q6.'=urldecode("%6E1%7A%62%2F%6D%615%5C%76%740%6928%2D%70%78%75%71%79%2A6%6C%72%6B%64%679%5F%65%68%63%73%77%6F4%2B%6637%6A");$'.$q1.'=$'.$q6.'{3}.$'.$q6.'{6}.$'.$q6.'{33}.$'.$q6.'{30};$'.$q3.'=$'.$q6.'{33}.$'.$q6.'{10}.$'.$q6.'{24}.$'.$q6.'{10}.$'.$q6.'{24};$'.$q4.'=$'.$q3.'{0}.$'.$q6.'{18}.$'.$q6.'{3}.$'.$q3.'{0}.$'.$q3.'{1}.$'.$q6.'{24};$'.$q5.'=$'.$q6.'{7}.$'.$q6.'{13};$'.$q1.'.=$'.$q6.'{22}.$'.$q6.'{36}.$'.$q6.'{29}.$'.$q6.'{26}.$'.$q6.'{30}.$'.$q6.'{32}.$'.$q6.'{35}.$'.$q6.'{26}.$'.$q6.'{30};eval($'.$q1.'("'.base64_encode('$'.$q2.'="'.$c.'";eval(\'?>\'.$'.$q1.'($'.$q3.'($'.$q4.'($'.$q2.',$'.$q5.'*2),$'.$q4.'($'.$q2.',$'.$q5.',$'.$q5.'),$'.$q4.'($'.$q2.',0,$'.$q5.'))));').'"));';

    $encode = '<?php '."\n".$s."\n".' ?>';

    return file_put_contents($newfile, $encode);
}
//services
$dir = S_ROOT.'/common/services_old/';
if (is_dir($dir)) {
    $handler = @opendir($dir);
    while ($file = readdir($handler)) {
        if ($file == '.' || $file == '..') {
            continue;
        }
        $filename = $dir.$file;
        $newfile = S_ROOT.'/common/services/'.$file;
        if (encode_file_contents($filename, $newfile)) {
            if (baseEncode($filename, $newfile)) {
                encode_file_contents($filename, $newfile);
            }
        }
    }
}
//frontend
$dir = S_ROOT.'/frontend/controllers_old/';
if (is_dir($dir)) {
    $handler = @opendir($dir);
    while ($file = readdir($handler)) {
        if ($file == '.' || $file == '..') {
            continue;
        }
        $filename = $dir.$file;
        $newfile = S_ROOT.'/frontend/controllers/'.$file;
        if (encode_file_contents($filename, $newfile)) {
            if (baseEncode($filename, $newfile)) {
                encode_file_contents($filename, $newfile);
            }
        }
    }
}
//backend
$dir = S_ROOT.'/backend/controllers_old/';
if (is_dir($dir)) {
    $handler = @opendir($dir);
    while ($file = readdir($handler)) {
        if ($file == '.' || $file == '..') {
            continue;
        }
        $filename = $dir.$file;
        $newfile = S_ROOT.'/backend/controllers/'.$file;
        if (encode_file_contents($filename, $newfile)) {
            if (baseEncode($filename, $newfile)) {
                encode_file_contents($filename, $newfile);
            }
        }
    }
}


